misc/chomens-bot-java
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fix: make tempo changer work using ChatGPT !!!!!!! (truly magical)

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This commit is contained in:
ChomeNS
2025-05-03 13:48:17 +07:00
parent 5d7b576f53
commit 21d79192c6
2 changed files with 43 additions and 14 deletions
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55
src/main/java/me/chayapak1/chomens_bot/song/NBSConverter.java
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@@ -15,11 +15,14 @@ import java.io.InputStreamReader;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
// Author: hhhzzzsss
// Author: hhhzzzsss but modified quite a lot
@SuppressWarnings("unused")
public class NBSConverter implements Converter {
public static final Instrument[] INSTRUMENT_INDEX = new Instrument[] {
Instrument.HARP,
@@ -76,6 +79,8 @@ public class NBSConverter implements Converter {
public boolean key = false;
}
private record TempoSection(long startTick, double tempo) { }
@Override
public Song getSongFromBytes (final byte[] bytes, final String fileName, final Bot bot) throws IOException {
final ByteBuffer buffer = ByteBuffer.wrap(bytes);
@@ -101,7 +106,7 @@ public class NBSConverter implements Converter {
final String songAuthor = getString(buffer, bytes.length);
final String songOriginalAuthor = getString(buffer, bytes.length);
final String songDescription = getString(buffer, bytes.length);
double tempo = buffer.getShort();
final double tempo = buffer.getShort();
final byte autoSaving = buffer.get();
final byte autoSavingDuration = buffer.get();
final byte timeSignature = buffer.get();
@@ -195,10 +200,15 @@ public class NBSConverter implements Converter {
stringLayerNames.substring(0, Math.max(0, stringLayerNames.length() - 1)),
true
);
final List<TempoSection> tempoSections = new ArrayList<>();
tempoSections.add(new TempoSection(0, tempo)); // initial value
if (loop > 0) {
song.loopPosition = getMilliTime(loopStartTick, tempo);
// song.loopCount = maxLoopCount;
song.loopPosition = getMilliTime(loopStartTick, tempoSections);
// song.loopCount = maxLoopCount;
}
for (final NBSNote note : nbsNotes) {
boolean isRainbowToggle = false;
final Instrument instrument;
@@ -222,9 +232,12 @@ public class NBSConverter implements Converter {
if (name.equals("Tempo Changer")) {
isTempoChanger = true;
// causes issues :(
// (more specifically empty gaps after the tempo has been changed)
// tempo = (double) Math.abs(note.pitch) * 100 / 15;
tempoSections.add(
new TempoSection(
note.tick,
(double) Math.abs(note.pitch) * 100 / 15
)
);
} else if (name.equals("Toggle Rainbow")) {
isRainbowToggle = true;
}
@@ -262,7 +275,7 @@ public class NBSConverter implements Converter {
pitch,
key,
(float) note.velocity * (float) layerVolume / 10000f,
getMilliTime(note.tick, tempo),
getMilliTime(note.tick, tempoSections),
Byte.toUnsignedInt(note.panning),
nbsLayers.isEmpty() ? 100 : Byte.toUnsignedInt(nbsLayers.get(note.layer).stereo),
isRainbowToggle
@@ -285,16 +298,32 @@ public class NBSConverter implements Converter {
return StringUtilities.fromUTF8Lossy(arr);
}
private static long getMilliTime (final long tick, final double tempo) {
return (long) (1000L * tick * 100 / tempo);
// Author: ChatGPT (lmao, but it actually works tho, i don't even know how it worked)
private static long getMilliTime (final long currentTick, final List<TempoSection> sections) {
long totalMillis = 0;
for (int i = 0; i < sections.size(); i++) {
final TempoSection current = sections.get(i);
final TempoSection next = (i + 1 < sections.size()) ? sections.get(i + 1) : null;
final long startTick = current.startTick;
final long endTick = (next != null) ? Math.min(next.startTick, currentTick) : currentTick;
if (currentTick < startTick) break;
final long ticksInThisSegment = endTick - startTick;
totalMillis += (long) (1000L * ticksInThisSegment * 100 / current.tempo);
}
return totalMillis;
}
private static final List<String> sounds = loadJsonStringArray("sounds.json");
private static final List<String> sounds = loadSounds();
private static List<String> loadJsonStringArray (final String name) {
private static List<String> loadSounds () {
final List<String> list = new ObjectArrayList<>();
final InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream(name);
final InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream("sounds.json");
assert is != null;
final BufferedReader reader = new BufferedReader(new InputStreamReader(is));
final JsonArray json = JsonParser.parseReader(reader).getAsJsonArray();